Patents by Inventor Toshifumi YAMANE

Toshifumi YAMANE has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20090242250
    Abstract: Disclosed is a polyimide film produced by heating a self-supporting film of a polyimide precursor solution onto which a solution containing an aluminum chelate compound and, optionally, a nonionic surfactant and/or an aluminum alcoholate compound having at least one alkoxy group is applied to effect imidization.
    Type: Application
    Filed: March 30, 2009
    Publication date: October 1, 2009
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Masafumi KOHDA, Hiroaki YAMAGUCHI, Toshifumi YAMANE